diff --git a/15-动画基础-1修改按钮动画-P354/15-动画基础-1修改按钮动画-P354.csproj b/15-动画基础-1修改按钮动画-P354/15-动画基础-1修改按钮动画-P354.csproj
new file mode 100644
index 0000000..5d0e702
--- /dev/null
+++ b/15-动画基础-1修改按钮动画-P354/15-动画基础-1修改按钮动画-P354.csproj
@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net8.0-windows</TargetFramework>
+        <RootNamespace>_15_动画基础_1修改按钮动画_P354</RootNamespace>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <UseWPF>true</UseWPF>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <Resource Include="public\003540AH4M72.jpg"/>
+        <Resource Include="public\bunny.png"/>
+    </ItemGroup>
+
+</Project>
diff --git a/15-动画基础-1修改按钮动画-P354/App.xaml b/15-动画基础-1修改按钮动画-P354/App.xaml
new file mode 100644
index 0000000..fef3726
--- /dev/null
+++ b/15-动画基础-1修改按钮动画-P354/App.xaml
@@ -0,0 +1,9 @@
+<Application x:Class="_15_动画基础_1修改按钮动画_P354.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:_15_动画基础_1修改按钮动画_P354"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
diff --git a/15-动画基础-1修改按钮动画-P354/App.xaml.cs b/15-动画基础-1修改按钮动画-P354/App.xaml.cs
new file mode 100644
index 0000000..9a9d7df
--- /dev/null
+++ b/15-动画基础-1修改按钮动画-P354/App.xaml.cs
@@ -0,0 +1,12 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace _15_动画基础_1修改按钮动画_P354;
+
+/// <summary>
+/// Interaction logic for App.xaml
+/// </summary>
+public partial class App : Application
+{
+}
\ No newline at end of file
diff --git a/15-动画基础-1修改按钮动画-P354/AssemblyInfo.cs b/15-动画基础-1修改按钮动画-P354/AssemblyInfo.cs
new file mode 100644
index 0000000..4a05c7d
--- /dev/null
+++ b/15-动画基础-1修改按钮动画-P354/AssemblyInfo.cs
@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+    //(used if a resource is not found in the page,
+    // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+    //(used if a resource is not found in the page,
+    // app, or any theme specific resource dictionaries)
+)]
\ No newline at end of file
diff --git a/15-动画基础-1修改按钮动画-P354/MainWindow.xaml b/15-动画基础-1修改按钮动画-P354/MainWindow.xaml
new file mode 100644
index 0000000..90f1f4d
--- /dev/null
+++ b/15-动画基础-1修改按钮动画-P354/MainWindow.xaml
@@ -0,0 +1,17 @@
+<Window x:Class="_15_动画基础_1修改按钮动画_P354.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d"
+        Icon="public/003540AH4M72.jpg" Title="15-动画基础-1修改按钮动画-P354" Height="450" Width="800">
+    <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
+        <Button Name="ButtonAnimation" Click="ButtonAnimation_OnClick" >
+            <Button.Effect>
+                <DropShadowEffect BlurRadius="2" Color="Red" Direction="-20" Opacity="0.7" RenderingBias="Quality"
+                                  ShadowDepth="10" />
+            </Button.Effect>
+            <Button.Content>ButtonAnimation</Button.Content>
+        </Button>
+    </StackPanel>
+</Window>
\ No newline at end of file
diff --git a/15-动画基础-1修改按钮动画-P354/MainWindow.xaml.cs b/15-动画基础-1修改按钮动画-P354/MainWindow.xaml.cs
new file mode 100644
index 0000000..0010c4b
--- /dev/null
+++ b/15-动画基础-1修改按钮动画-P354/MainWindow.xaml.cs
@@ -0,0 +1,52 @@
+using System.Windows;
+using System.Windows.Media.Animation;
+
+namespace _15_动画基础_1修改按钮动画_P354;
+
+/// <summary>
+///     Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+    }
+
+    private void ButtonAnimation_OnClick(object sender, RoutedEventArgs e)
+    {
+        var doubleAnimation = new DoubleAnimation
+        {
+            // 开始值
+            From = 160,
+            // 结束值
+            To = Width - 30,
+            // 增大10个单位，不使用To而是使用By
+            // By = 10,
+            // 翻转动画
+            AutoReverse = true,
+            // 比原来快5倍
+            SpeedRatio = 5,
+            // 持续2秒
+            Duration = TimeSpan.FromSeconds(2),
+            // 一直循环
+            // RepeatBehavior = RepeatBehavior.Forever
+            // 循环四次
+            // RepeatBehavior = new RepeatBehavior(4)
+            // 循环3秒
+            RepeatBehavior = new RepeatBehavior(TimeSpan.FromSeconds(3))
+        };
+        ButtonAnimation.BeginAnimation(WidthProperty, doubleAnimation);
+    }
+
+    private void ButtonAnimation2_OnClick(object sender, RoutedEventArgs e)
+    {
+        var doubleAnimation = new DoubleAnimation
+        {
+            From = ButtonAnimation.ActualWidth,
+            To = Width - 30,
+            Duration = TimeSpan.FromSeconds(2)
+        };
+        ButtonAnimation.BeginAnimation(WidthProperty, doubleAnimation);
+    }
+}
\ No newline at end of file
diff --git a/15-动画基础-1修改按钮动画-P354/public/003540AH4M72.jpg b/15-动画基础-1修改按钮动画-P354/public/003540AH4M72.jpg
new file mode 100644
index 0000000..4aa96ac
Binary files /dev/null and b/15-动画基础-1修改按钮动画-P354/public/003540AH4M72.jpg differ
diff --git a/15-动画基础-1修改按钮动画-P354/public/bunny.png b/15-动画基础-1修改按钮动画-P354/public/bunny.png
new file mode 100644
index 0000000..2eff910
Binary files /dev/null and b/15-动画基础-1修改按钮动画-P354/public/bunny.png differ
diff --git a/4-图形和动画.sln b/4-图形和动画.sln
index 464e693..f3f4260 100644
--- a/4-图形和动画.sln
+++ b/4-图形和动画.sln
@@ -70,6 +70,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "14-效果和可视化对象
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "14-效果和可视化对象-3DropShadowEffect-P339", "14-效果和可视化对象-3DropShadowEffect-P339\14-效果和可视化对象-3DropShadowEffect-P339.csproj", "{8F8691A8-DB44-4F3E-BCDE-E58A8AF18A5B}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "15-动画基础-1修改按钮动画-P354", "15-动画基础-1修改按钮动画-P354\15-动画基础-1修改按钮动画-P354.csproj", "{D902EB37-13C3-4763-9B21-5A6EB368F352}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -216,5 +218,9 @@ Global
 		{8F8691A8-DB44-4F3E-BCDE-E58A8AF18A5B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8F8691A8-DB44-4F3E-BCDE-E58A8AF18A5B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8F8691A8-DB44-4F3E-BCDE-E58A8AF18A5B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D902EB37-13C3-4763-9B21-5A6EB368F352}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D902EB37-13C3-4763-9B21-5A6EB368F352}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D902EB37-13C3-4763-9B21-5A6EB368F352}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D902EB37-13C3-4763-9B21-5A6EB368F352}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal